<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <style>
        /* 元素选择器 */
        span{
            color:red;
        }
        p{
            color:blue;
        }
    </style>
</head>
<body>
    <p>diabates <span>糖尿病</span></p>
    <p>将进酒，杯莫停</p>
    <p>君不见黄河之水天上来</p>
    <div>
        <ul>
            <li>
                <p>奔流到海不复回</p>
            </li>
            <li>
                <p>君不见高堂明镜悲白发</p>
            </li>
            <li>
                <p>朝如青丝暮成雪</p>
    </div>
</body>
</html>